Glow can be disabled/enabled on skin overlays

src/main/java/noppes/npcs/controllers/data/SkinOverlayData.java

@@ -4,8 +4,10 @@ import net.minecraft.util.ResourceLocation;
 
 public class SkinOverlayData {
     public ResourceLocation location;
+    public boolean glow;
 
-    public SkinOverlayData(ResourceLocation location) {
+    public SkinOverlayData(ResourceLocation location, boolean glow) {
         this.location = location;
+        this.glow = glow;
     }
 }